How eFax Works

eFax® is a premium Internet fax service that makes it easy to send and receive faxes by email and online using your phone, tablet or computer.

No fax machine. No fax phone lines. No printing. No busy signals.

How Internet Fax Works

As the world’s #1 online fax service, eFax allows you to securely send and receive faxes from your online eFax account, by email, or within the mobile app.

Easily sign and edit faxes digitally without printing any documents. With eFax, you avoid all the paper and maintenance costs that come with traditional fax machines.

Receive a Test Fax

How to Send a Fax Online

When you log into your eFax account, you can easily send and receive faxes, share large files and add your digitized signature to documents.


Log in to your MyAccount page, select SEND FAXES, and enter the recipient’s details — or select them right from your contacts.


Type a message in the box to use as your cover sheet. Attach up to 10 documents, then Send Fax.


That’s it! Your recipient receives your document and cover letter exactly as they would a normal fax.

More Ways to Send Faxes Online with eFax

eFax makes it easy to send, sign & edit fax documents without the hassles of a fax machine. eFax offers a robust mobile app along with powerful online tools to make sending faxes as convenient as possible. Find more about the many ways to send faxes online from the options listed below.

Send a fax with eFax® MyAccount »
Once you’re logged into your MyAccount, select Send Faxes, and enter your fax recipient's details.

Send a fax with the mobile app »
Tap into the eFax mobile app to send a fax on your iOS or Android device.

Send a fax using our free eFax Messenger software »
Use the free eFax Messenger® software as a tool to create, view, edit & sign fax documents.

Send a fax by email »
Simply use your email to fax, on any device, in a few easy steps. 

How to Receive a Fax Online

Receiving faxes online can be done by simply logging into your eFax® account portal.


To receive a fax, first log into your eFax® account online.

View Faxes

Go to the inbox page. Once there, click to open your new fax.


Click on the fax attachment to open and view your fax pages.

More Ways to Receive Faxes with eFax

eFax offers several convenient ways to view, forward or store your faxes. Click the links below to experience all the different ways you can receive a fax with eFax.

Receive Faxes by Email »
Open your email program and click on the attachment to view your fax

Receive Faxes in eFax® MyAccount »
Log into your account online and click on the inbox page to view all your faxes.

Receive Faxes with eFax Messenger® »
Download our free eFax Messenger® software to view new faxes automatically on your desktop computer.

Receive Faxes with the eFax® Mobile App »
Tap into the iOS or Android app to view faxes on the go.

How to Send a Fax by Email

eFax® makes internet faxing as easy as sending an email

fax by mail

Open a new email message, type the fax number, followed by, into the “To:” field.


Attach your fax document and type a message in the body of the email to use as your cover sheet . Hit Send.


Your fax and cover letter will be delivered to your recipient’s fax machine. It’s that simple!